include [HTML_REMOVED]
using namespace std;
const int N=100010;
int n,m;
int q[N];
int main()
{
scanf(“%d %d”,&n,&m);
for(int i=0;i[HTML_REMOVED]=x) r=mid;
else l=mid+1;
}
if(q[l]!=x) cout<<”-1 -1”<<endl;
else {
cout<<l<<’ ‘;
int l=0,r=n-1;
while(l<r)
{
int mid=(l+r+1)/2;
if(q[mid]<=x) l=mid;
else r=mid-1;
}
cout<<l<<endl;
}
}
return 0;
}